<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-row :gutter="10">
        <el-col :span="8">
          <el-form-item label="用户ID" prop="userId">
            <el-input
              v-model="queryParams.userId"
              placeholder="请输入用户ID"
              clearable
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
        </el-col>
        <el-col :span="8">
          <el-form-item label="聊天伙伴" prop="chatPartnerDescription">
            <el-input
              v-model="queryParams.chatPartnerDescription"
              placeholder="请输入聊天伙伴描述"
              clearable
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
        </el-col>
        <el-col :span="8">
          <el-form-item label="会话状态" prop="status">
            <el-select v-model="queryParams.status" placeholder="请选择会话状态" clearable style="width: 100%">
              <el-option label="活跃" value="活跃" />
              <el-option label="结束" value="结束" />
              <el-option label="暂停" value="暂停" />
            </el-select>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="8">
          <el-form-item label="话题ID" prop="topicId">
            <el-input
              v-model="queryParams.topicId"
              placeholder="请输入话题ID"
              clearable
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
        </el-col>
        <el-col :span="8">
          <el-form-item label="时间范围">
            <el-date-picker
              v-model="dateRange"
              style="width: 100%"
              value-format="yyyy-MM-dd"
              type="daterange"
              range-separator="-"
              start-placeholder="开始日期"
              end-placeholder="结束日期"
            ></el-date-picker>
          </el-form-item>
        </el-col>
        <el-col :span="8" style="text-align: right; padding-top: 4px;">
          <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        </el-col>
      </el-row>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:sessions:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:sessions:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:sessions:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:sessions:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="sessionsList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="会话ID" align="center" prop="sessionId" />
      <el-table-column label="用户ID" align="center" prop="userId" />
      <el-table-column label="聊天伙伴描述" align="center" prop="chatPartnerDescription" />
      <el-table-column label="话题ID" align="center" prop="topicId" />
      <el-table-column label="会话状态" align="center" prop="status" />
      <el-table-column label="开始时间" align="center" prop="startedAt" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.startedAt, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="最后消息时间" align="center" prop="lastMessageAt" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.lastMessageAt, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="结束时间" align="center" prop="endedAt" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.endedAt, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:sessions:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:sessions:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改聊天会话对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="用户ID" prop="userId">
          <el-input v-model="form.userId" placeholder="请输入用户ID" />
        </el-form-item>
        <el-form-item label="聊天伙伴" prop="chatPartnerDescription">
          <el-input v-model="form.chatPartnerDescription" placeholder="请输入聊天伙伴描述" />
        </el-form-item>
        <el-form-item label="话题ID" prop="topicId">
          <el-input v-model="form.topicId" placeholder="请输入话题ID" />
        </el-form-item>
        <el-form-item label="会话状态" prop="status">
          <el-select v-model="form.status" placeholder="请选择会话状态" style="width: 100%">
            <el-option label="活跃" value="活跃" />
            <el-option label="结束" value="结束" />
            <el-option label="暂停" value="暂停" />
          </el-select>
        </el-form-item>
        <el-form-item label="开始时间" prop="startedAt">
          <el-date-picker clearable
            v-model="form.startedAt"
            type="datetime"
            value-format="yyyy-MM-dd HH:mm:ss"
            placeholder="请选择开始时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="最后消息" prop="lastMessageAt">
          <el-date-picker clearable
            v-model="form.lastMessageAt"
            type="datetime"
            value-format="yyyy-MM-dd HH:mm:ss"
            placeholder="请选择最后消息时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="结束时间" prop="endedAt">
          <el-date-picker clearable
            v-model="form.endedAt"
            type="datetime"
            value-format="yyyy-MM-dd HH:mm:ss"
            placeholder="请选择结束时间">
          </el-date-picker>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listSessions, getSessions, delSessions, addSessions, updateSessions } from "@/api/system/sessions";

export default {
  name: "Sessions",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 聊天会话表格数据
      sessionsList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        userId: null,
        chatPartnerDescription: null,
        topicId: null,
        status: null,
        startedAt: null,
        lastMessageAt: null,
        endedAt: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        userId: [
          { required: true, message: "用户ID不能为空", trigger: "blur" }
        ],
        startedAt: [
          { required: true, message: "开始时间不能为空", trigger: "blur" }
        ],
      },
      dateRange: []
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询聊天会话列表 */
    getList() {
      this.loading = true;
      listSessions(this.queryParams).then(response => {
        this.sessionsList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        sessionId: null,
        userId: null,
        chatPartnerDescription: null,
        topicId: null,
        status: "活跃",
        startedAt: null,
        lastMessageAt: null,
        endedAt: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      if (this.dateRange && this.dateRange.length > 0) {
        this.queryParams.beginTime = this.dateRange[0];
        this.queryParams.endTime = this.dateRange[1];
      } else {
        this.queryParams.beginTime = undefined;
        this.queryParams.endTime = undefined;
      }
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.dateRange = [];
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.sessionId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加聊天会话";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const sessionId = row.sessionId || this.ids
      getSessions(sessionId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改聊天会话";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.sessionId != null) {
            updateSessions(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addSessions(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const sessionIds = row.sessionId || this.ids;
      this.$modal.confirm('是否确认删除聊天会话编号为"' + sessionIds + '"的数据项？').then(function() {
        return delSessions(sessionIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/sessions/export', {
        ...this.queryParams
      }, `sessions_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
